Valve-stem attachment



April 24, 1928. 1,667,594

F. H. GIBBONS VALVE STEM ATTACHMENT Filed April 5. 1926 INVENTOR ATTOR N EY Patented Apr. 2 4 ,19 28. 1 3

UNITED STATES PATENTOFFICIEQ.

Application filed April a, 1926. Serial No. 99,643.

This invention relates to attachments for ter being adapted for threaded engagement 50 use upon and in conjunction with the usual with a combined flange portion and jam nut and conventional formv of pneumatic tire portion 21. A resilient packing 22 carried valves for protecting the latter against the within an annular groove 20 provided in the c rubbing and wearing effect of the openings outer side of the jam nut portion being provided in the Wheel and tire rims, as well adapted to frictionally' engage the adjacent 55 as the wheel felly especially when the tire is side of the wheel felly to prevent displaceused when flat or deflated. v ment f he e ve.

With the above and other objects in view, It will thus be noted from the foregoing the invention further includes the following description and accompanying drawings novel features and details of construction, that the invention provides an exceedingly 60 to be hereinafter more fully described, illususeful and advantageous attachment or actrated in the accompanying drawings, and cessory for use upon wheels and in conjuncointed out in the appended claims. tion with the pneumatic tire valves therefor Figure 1 is a sectional'view of the invenwhich will protect the outer threaded side tion with a plate provided upon the unwalls from becoming worn or rubbed and 65 der side of the tire rim and abutting and inwhich further provides a protection against terfitting the inner end of the valve stem the usual and grave difficulty of the edges of protector; the openings provided in the wheel and tile Figures 2 and 3 are perspectives of the, rims from causing leaks in the valve stem 2 sponding parts, the reference character 10 in reserved to make such changes as properly plate and portion of a tire rim, and of the whenthe latterv is loose or the tire deflated. 70 invention in its entirety. The invention is susceptible of various Referring to the drawings in detail,wherechanges in its form, proportions and minor in like characters of reference denote corredetails of construction, and the right is hereindicates a wheel felly,11, 12 a tire rim havfall within the scope of the appended claims. 5

ing a tire casing 13 fitted thereon while the I Having thus described my'invention, what conventional form of tire valve 14 extends is claimed is: from an inner tube positioned within the tire 1. An attachment for use upon and in casing and extends outwardly therefrom and conjunction with pneumatic tire valves oomthrough registering openings provided in. prising a sleeve provided with an outwardly so the tire rim 12, wheel felly 10 in the usual extending annular flange upon one end and manner. All of the above being of the usual periphery thereof, said flange having an anand well-known construction and which nular groove upon its under side to seat a form no part of the present application for resilient washer adapted for frictional en-- Letters-Patent but which is merely mengagement with the outer side of a wheel felly tioned for purposes of illustration in bringand for encircling the valve stem opening 2 ing forward the novel advantages of the therein, the flange being adaptedfor threadabove entitled invention. ed engagement; with the valve stem, and

40 In carrying out the invention I provide'a means carried upon the inner side of the sleeve member 23 adapted to be extended rim adapted for engagement with the inwithin an opening in the wheel felly 10. The wardly extending end of the sleeve.

outer end of the sleeve beingadapted for 2. An attachment for use upon andin reception within a relatively large centrally conjunction with pneumatic tire valves com- 45 disposed opening 25 provided in a plate prising a sleeve provided with an outwardly member 24 carried upon the inner side of the extending annular flange upon one end and tire rim 12. The peripheral edges of the periphery thereof, said flange having an ansleeve engage the rim around an opening nulargroove upon its under side for seating therein to receive a valve stem 151. The lata resilient washer adaptedfor frictional engagement with the outer side of a'vvheel felly and for encircling the valve stem opening therein, the inner edges of the annular flange portion being adapted for threaded engagement With valve stem, and a plate carried upon the under side of a tire rim having a relatively large opening therein registering With an opening in the rim for receiving the inwardly extending end portion of the sleeve to hold the latter against rocking and canting movement to preserve theouter threaded Walls of the valve stem.

In testimony whereof I affix my signature.

FORREST H. GIBBONS. 

